Marker tray



FIG. 1 is a perspective view showing my new design for a marker tray;

FIG. 2 is a right side view of the marker tray of FIG. 1;

FIG. 3 is a left side view of the marker tray of FIG. 1;

FIG. 4 is a front view of the marker tray of FIG. 1;

FIG. 5 is a back view of the marker tray of FIG. 1;

FIG. 6 is a top plan view of the marker tray of FIG. 1; and,

FIG. 7 is a bottom plan view of the marker tray of FIG. 1.

The broken lines showing portions of the marker tray are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a marker tray, as shown and described. 